If you have a population standard deviation of 18 and a sample size of 9,what is your standard error of the mean?
A)-3
B)11
C)6
D)5

Question

Quizplus · Accepted Answer

The formula for standard error of the mean is:
Standard Error = Population Standard Deviation / √(Sample Size)
Plugging in the values given:
Standard Error = 18 / √(9)
Standard Error = 18 / 3
Standard Error = 6
Therefore, the standard error of the mean is 6. The correct choice is C.

If You Have a Population Standard Deviation of 18 and a Sample